What is the coefficient of X1 in the model? What is the p-value for testing this coefficient?

Refer to the multiple regression output shown:

Transcribed Image Text:

The regression equation is Y = - 61 + 4.71 X1 - 0.25 X2 + 6.46 X3 + 1.50 X4 - 1.32 X5 Predictor Coef SE Coef т Constant -60.7 105.7 -0.57 0.575 X1 4.715 2.235 2.11 0.053 X2 -0.253 1.178 -0.21 0.833 XЗ 6.459 2.426 2.66 0.019 X4 1.5011 0.4931 3.04 0.009 -1.3151 X5 0.8933 -1.47 0.163 S= 32.4047 R-Sq = 77.9% R-Sq(adj) = 70.0% Analysis of Variance Source DF MS Regression 5 51799 10360 9.87 0.000 Residual Error 14 14701 1050 Total 66500 19